Transcript
1Copyright © 2012, 2007 Mosby, Inc., an affiliate of Elsevier Inc. All rights reserved.
Chapter 14 & 15
Parenteral and Units Dosages
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Parenteral Dosages
FIGURE 14-1 Intramuscular, subcutaneous, and intradermal injections, with comparison of the angles of insertion. (From Potter PA, Perry AG: Fundamentals of nursing, ed 7,St Louis, 2009, Mosby.)
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Parenteral Dosages (cont’d)
May be diluted and administered by themselves May be administered in conjunction with
existing IV fluids May be administered in addition to IV fluids
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Parenteral Dosages (cont’d)
Packaging of parenteral medications:• Ampules• Vials• Mix-O-Vials• Syringes
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Syringes
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Syringes
FIGURE 14-8 Parts of a syringe. (From Potter P, Perry A: Fundamentals of nursing, ed 7, St Louis, 2009, Mosby.)
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Hypodermic Syringes
FIGURE 14-9 Calibrations on a 3-mL syringe. (From Clayton BD, Stock YN, Cooper S: Basic pharmacology for nurses, ed 15, St Louis, 2010.)
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Tuberculin Syringes
FIGURE 14-10 BD tuberculin syringes. (From Becton, Dickinson and Company, Franklin Lakes, NJ.)
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 mL
4 8 12 16
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Needleless System
FIGURE 14-14 A, Needleless infusion system. B, Connection into an injection port. (From Elkin MK, Perry AG, Potter PA: Nursing interventions and clinical skills, ed 4, St Louis, 2007, Mosby.)
A
B
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Example:
A physician orders atropine gr 0.01 IM stat. Atropine 0.4 mg/mL is available. Convert the physician’s order to milligrams.
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Example:
The physician orders heparin 5000 units subcutaneous stat. Heparin 10,000 units/mL is available. How many milliliters of heparin will be administered?
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Example:
The physician orders morphine 30 mg IM q4 h prn for pain. Morphine gr 1/0.5 mL is available. How many milliliters will the nurse administer?
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Example:
The order states D5W 500 mL plus KCl 20 mEq at 42 mL/h IV. KCl is supplied in a 20-mL ampule containing 40 mEq. How many milliliters of KCl will be added to the 500 mL of D5W?
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Insulin and Units
Brenda Holmes MSN/Ed RN
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Insulin and Units
Medications: Insulin (see handout on a few types) Penicillin Epogen Heparin
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Each line represent 1 unit
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Example:Physician orders Humulin L Lente U-100 insulin 46 units plus regular Humulin R U-100 20 units subcutaneous every morning. You have 100 units/mL of Humulin L Lente insulin and 100 units/mL of regular Humulin R insulin. A U-100 insulin syringe is available. Draw vertical lines through the syringe to indicate the correct doses.
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Asking: Units
Ordered:Humulin Lente 46 unitsHumulin R 20 units
Available: 100 units/mL
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Lente 46 units
Regular 20 units
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